I do not use this midi controller. It was repaired by a professional shop. I do not have the setup to test it but it worked fine leaving the shop and has been stored at my house. It powers up properly. No power supply is included. Location NW San Antonio

This very rarely used SL-880 midi controller has a weighted hammer action and a full set of controls.StudiologicSL-880 88-Key Hammer-Action MIDI Controller Features Weighted hammer action Velocity- and aftertouch-sensitive 88 keys Pitch-bend and modulation wheels 4 buttons for enabling and disabling

Pretty straightforward. I have a FatarStudiologicSL-880 PRO 88-Key Hammer-Action MIDI Controller.Pictures mostly speak for itself. Perfect working condition and has been in that case completely unused in a closet for a while sadly. Its pretty obvious from the lack of signs of use. I couldnt find any